One of the standout science fiction films at this year's Sundance Festival is Wanuri Kahiu's short Pumzi, set in Kenya of the future, after water wars have decimated humanity. With its African futurist look, this could be another District 9. »1/25/10 8:20am 1/25/10 8:20am

She lives in a repressive culture that tries to dismiss her discovery,…